Here are the names of the treasures and the locations in which they're found:
Treasure Location
Big Diamond Ring In the game room, inside the model of
downtown Tokyo.
Buck Palace's large rubber stamp Buried in the center of the maze.
catcher's mask In the compartment beneath the cannon.
copy of the film "A Corpse Line" Inside a safe, suspended in the bomb
shelter.
fire hydrant In the trunk in the attic.
Maltese finch In the sack in the window in the east
end of the upstairs hallway.
Mama Maggio's cheese grater In the wall safe behind the painting
which hangs in the hallway.
parking meter In the small passage north of the crawl
space under the parlor.
stuffed penguin Down the chimney at the east end of the
roof.
Uncle Buddy's toupee In the computer's hopper after you call
the correct phone number.